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Which of the following is a characteristic of a doubly linked list?

Practice Questions

Q1
Which of the following is a characteristic of a doubly linked list?
  1. Each node has one pointer
  2. Nodes can be traversed in both directions
  3. It uses less memory than a singly linked list
  4. It cannot be used to implement a stack

Questions & Step-by-Step Solutions

Which of the following is a characteristic of a doubly linked list?
  • Step 1: Understand what a doubly linked list is. It is a type of data structure that consists of nodes.
  • Step 2: Know that each node in a doubly linked list has three parts: data, a pointer to the next node, and a pointer to the previous node.
  • Step 3: Realize that the pointers allow you to move forward to the next node and backward to the previous node.
  • Step 4: Conclude that because of these two pointers, you can traverse the list in both directions.
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